Prevention Clinic Tokyo vs The Hundred Longevity House

Overview & Philosophy

Prevention Clinic Tokyo and The Hundred Longevity House may both sit inside the longevity-clinic category, but they solve very different patient problems. Prevention Clinic is best understood as an outpatient longevity clinic centered on diagnostics and regenerative medicine, while The Hundred is better described as an outpatient longevity clinic centered on regenerative medicine and lifestyle support. That difference shows up quickly in the numbers: World Longevity Clinics scores them at 76 and 69, with 3/15 versus 2/15 tracked longevity features. For broader market context beyond this head-to-head, see our Best Longevity Clinics 2026 ranking. At the feature level, Prevention Clinic stands out for Full Body MRI. In practical terms, Prevention Clinic fits best for international executives visiting tokyo who want a comprehensive health screening in an ultra-luxury hotel setting, whereas The Hundred fits best for adventurous longevity seekers interested in japanese regenerative medicine combined with traditional wellness practices in an extraordinary setting.

Founded in 2020, Prevention Clinic operates as a outpatient luxury facility in Tokyo, Japan (Marunouchi). Prevention Clinic Tokyo operates from The Peninsula Tokyo, one of the city's most prestigious addresses. It offers a comprehensive suite of advanced diagnostics (full-body MRI, PET-CT, AI-powered endoscopy) alongside cutting-edge anti-aging interventions like NMN (nicotinamide mononucleotide) therapy. The clinic caters to international executives and UHNW individuals seeking discreet, world-class preventive care in a five-star hotel setting. The clinic offers 3 of 15 core longevity features and provides 6 distinct treatment modalities, including Full Body MRI, PET-CT Scan, AI Endoscopy, NMN Therapy, and more. Guests can choose from day and short stay options, and the clinic has been recognized as "Ultra-premium executive health screening delivered with five-star Peninsula Tokyo hospitality and serious diagnostic equipment".

Founded in 2024, The Hundred takes a different approach as a outpatient luxury facility in Tokyo, Japan (Ginza). The Hundred Longevity House is a boutique longevity destination in Tokyo's Ginza district, opened in 2024. It takes a distinctive cross-cultural approach, combining Japanese wellness traditions and food culture with Ayurvedic principles and modern regenerative medicine. NK (natural killer) cell therapy is a centerpiece offering, alongside personalized nutrition and holistic anti-aging protocols. With 2 of 15 core features and 5 available treatments (including Advanced Biomarker Panel, NK Cell Therapy, IV Nutrient Therapy, Ayurvedic Wellness Protocols), the clinic caters to day and short stay guests. It is recognized as "A visionary fusion of Japanese regenerative medicine, Ayurveda, and culinary wellness in an architecturally stunning Ginza setting".

When comparing these two clinics, several dimensions stand out. Both are located in Japan, which simplifies travel logistics for those considering either option. Both operate at the same luxury outpatient level, making the comparison especially relevant for prospective patients choosing between similar formats.

Treatments & Programs

Treatment breadth is one of the most important factors when choosing a longevity clinic. Prevention Clinic Tokyo covers 3 of 15 core longevity features tracked by World Longevity Clinics, while The Hundred Longevity House covers 2 of 15. In terms of specific treatment modalities, Prevention Clinic offers 6 distinct treatments compared to The Hundred's 5.

Both clinics share a foundation of 2 common treatments, including IV Nutrient Therapy, Personalized Nutrition. Where they diverge is notable: Prevention Clinic uniquely offers Full Body MRI, PET-CT Scan, AI Endoscopy, NMN Therapy, while The Hundred stands apart with Advanced Biomarker Panel, NK Cell Therapy, Ayurvedic Wellness Protocols. These differences often reflect each clinic's core philosophy and medical specialization.

Prevention Clinic offers 2 structured programs: Premium Preventive Check-Up (1-2 days) — Comprehensive imaging and diagnostics package including full-body MRI, PET-CT, AI endoscopy, and advanced bloodwork with same-day results. Key treatments include Full Body MRI, PET-CT Scan, AI Endoscopy, Advanced Bloodwork. Anti-Aging Optimization (3-5 days) — Multi-day program adding NMN therapy, IV infusions, and personalized longevity protocols to the diagnostic foundation. Key treatments include NMN Therapy, IV Nutrient Therapy, Personalized Protocol, Follow-Up Consultation. The Hundred offers 2 programs: Longevity Discovery (1 day) — One-day immersive assessment combining diagnostics, NK cell consultation, and personalized Ayurvedic-Japanese nutrition plan. Key treatments include Advanced Bloodwork, NK Cell Consultation, Ayurvedic Assessment, Nutrition Planning. Regenerative Longevity Program (3-5 days) — Multi-day program with NK cell therapy, IV regenerative infusions, and holistic wellness rooted in Japanese and Ayurvedic traditions. Key treatments include NK Cell Therapy, IV Nutrient Therapy, Ayurvedic Treatments, Personalized Nutrition.

Pricing & Value

Understanding the cost structure is essential when planning a longevity clinic visit, as programs can represent a significant investment in your health. Prevention Clinic Tokyo programs range from JPY 300,000 to 1,500,000 (VIP health screening and longevity assessments; membership-based (estimated)). The clinic positions itself at the $$$ price tier with luxury accommodations.

The Hundred Longevity House programs range from JPY 550,000 to 3,000,000 (Regenerative and longevity programs (estimated from comparable Tokyo clinics)). Positioned at the $$ tier with luxury standards.

When comparing in EUR-equivalent terms, Prevention Clinic starts at a notably lower price point, approximately 83% less expensive at entry level than The Hundred. This price differential may reflect differences in location costs, included amenities, staff-to-guest ratios, or the scope of included treatments rather than clinical quality alone. Our editorial team rated Prevention Clinic's value proposition at 2.6/10 and The Hundred's at 4.4/10, considering treatment breadth, quality, and pricing relative to the market.

Location & Facilities

Location plays a significant role in the longevity clinic experience, affecting everything from travel logistics to the healing environment and overall cost structure.

Prevention Clinic Tokyo is located in Tokyo, Japan (Marunouchi), operating as a outpatient facility with a luxury positioning. It is staffed by 6 medical professionals. Available stay types include day, short stay.

The Hundred Longevity House is based in Tokyo, Japan (Ginza), operating as a outpatient facility with a luxury positioning. It has 5 medical staff members. Available stay types include day, short stay.

On our luxury scale, Prevention Clinic scores 10/10 compared to The Hundred's 9/10. For medical technology, Prevention Clinic scores 9/10 and The Hundred 7/10. These scores reflect our editorial assessment of each facility's physical environment, equipment, and guest experience.

From a practical standpoint, both clinics are in Japan, which means similar visa requirements, currency, and healthcare regulations. The choice between Tokyo and Tokyo comes down to personal preference, accessibility from your home base, and the surrounding environment you prefer for recovery and relaxation.

Who Should Choose Which?